Dr Akombe had been barred from travelling for failure to produce clearance from the Head of Public Service, Citizen TV reports.
The Nation reports that she was removed from the plane.
She was, however, cleared this morning and the IEBC says Government officials involved in the incident have apologised.
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According to the electoral commission, she was travelling on official duty and is set to return on Sunday.
“Dr Akombe who is travelling to the US for an official meeting was delayed at JKIA by officials who have since apologized.
“She returns on Sunday,” said IEBC in a tweet.
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